Privacy Policy – CRDB

Effective Date: 23 August 2026

CRDB (Central Railway Detail Book) is an application developed and maintained by Vikash Kumar. The application provides railway duty-related information, detail information, employee registration, duty management, and related features.

This Privacy Policy explains what information CRDB may collect, how that information is used, how it is stored, and how it is protected.

1. Information We Collect

Depending on the features used in the application, CRDB may collect or process:

• Employee name
• Mobile number
• CMS ID
• Employee post/designation
• Duty-related information
• Detail number associated with a duty
• Sign-on and sign-off information
• TM/MM name and mobile number
• Authentication information required to keep the user logged in

CRDB collects only information reasonably required to provide its functionality.

2. How We Use Information

Information may be used to:

• Verify and register employees.
• Identify registered users.
• Provide railway duty-related information.
• Display assigned duty information.
• Provide access to relevant duty lists.
• Synchronize information between the application and CRDB server.
• Maintain application security and functionality.
• Troubleshoot technical problems.
• Improve the application and its services.

3. Information Sharing

CRDB does not sell, rent, or trade users' personal information to third parties.

Information may be transmitted to the CRDB server when necessary for application functionality, including employee registration, authentication, duty synchronization, and related services.

Information may be disclosed when required by applicable law, legal process, or a lawful government request.

4. Data Storage

Certain information may be stored locally on the user's device to support application functionality and offline access.

Required information may also be stored on the CRDB server.

Reasonable technical measures are used to protect stored information against unauthorized access, alteration, disclosure, or destruction.

5. Data Security

We take reasonable measures to protect information processed through CRDB.

However, no method of electronic storage or transmission over the Internet can be guaranteed to be completely secure.

Users are responsible for keeping their device and authentication information secure.

6. Offline Functionality

CRDB may store selected information locally on the user's device so that certain features can continue to function when an Internet connection is unavailable.

When an Internet connection becomes available, required information may be synchronized with the CRDB server.

7. Third-Party Services

CRDB may use technical services and infrastructure required to operate the application and its server.

CRDB does not use third-party advertising networks for selling or profiling users' personal information.

8. Children's Privacy

CRDB is intended for employees and authorized users and is not intended for children.

We do not knowingly collect personal information from children.

9. User Rights and Data Requests

Users may contact the CRDB administrator regarding:

• Questions about their personal information.
• Correction of inaccurate information.
• Requests concerning deletion of information, where applicable.
• Privacy or security concerns.

10. Changes to This Privacy Policy

This Privacy Policy may be updated from time to time to reflect changes to the application, services, or applicable requirements.

Any updated version will be published on the official CRDB website.

11. Contact Information

12. Consent

By using CRDB, users acknowledge that they have read and understood this Privacy Policy and agree to the processing of information as described above, subject to applicable laws and regulations.

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Application: CRDB (Central Railway Detail Book)
Owner: Vikash Kumar
Email: helpcrdb@gmail.com
Address: Ambedkar Nagar, Bakhtiyarpur, Patna – 803212, India

Last Updated: 23 August 2026